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求助!java設(shè)計(jì)windows屏保問題!!
說明屏幕保護(hù)是自動(dòng)切換的。可以調(diào)整下: 第一步:在桌面空白位置右擊,選擇“個(gè)性化”。 第二步:在個(gè)性化頁面,選擇“桌面背景”。 第三步:之后在“背景設(shè)置”頁面中,勾選上想設(shè)置背景的圖片(一張的話,不需要設(shè)置切換時(shí)間,多張的話,設(shè)置下切換...
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如何用java實(shí)現(xiàn)類似windows屏保
看看這個(gè)試試!
import java.text.*;
import java.awt.*;
import javax.swing.*;
import java.awt.geom.*;
import java.util.*;
import java.awt.event.*;
/**
*
*
*/
public class ScreenTest extends JPanel implements Runnable{
/** Creates a new instance of ScreenTest */
private String time;
private Rectangle2D rd;
private int x,y,a,b;//座標(biāo)值和方向值
private int rgb=0;//顏色的值
private Color color;//字體的顏色
private int width,height;//屏幕的大小
public ScreenTest(int width,int height) {
this.width=width;
this.height=height;
initWindow();
}
private void initWindow(){
x=(int)(Math.random()*300);
y=(int)(Math.random()*500);
a=1;
b=1;
this.setBackground(Color.BLACK);
this.setOpaque(true);
rd=new Rectangle2D.Double(10,10,101,10);
color=Color.YELLOW;
}
private void doColor(){
rgb=(int)(Math.random()*0xFFFFFF);
color=new Color(rgb);
}
public void paintComponent(Graphics g){
g.setColor(Color.BLACK);
g.fillRect(0,0,width,height);
g.setColor(color);
g.setFont(new Font("楷書",Font.BOLD,150));
FontMetrics fm=g.getFontMetrics();
rd=fm.getStringBounds(time,g);
g.drawString(time,x,(int)(y+rd.getHeight()));
}
private void doTime(){
Calendar cal=Calendar.getInstance();
DateFormat df=DateFormat.getTimeInstance(DateFormat.MEDIUM);
Date date=cal.getTime();
time=df.format(date);
x+=a;
y+=b;
double width1=rd.getWidth();
double height1=rd.getHeight();
rd.setRect(x,y,width1,height1);
if(rd.intersectsLine(width,0,width,height)){
doColor();
a=-1;
}
else if(rd.intersectsLine(0,0,0,height)){
doColor();
a=1;
}
else if(rd.getY()=-80){
doColor();
b=1;
}
else if(rd.intersectsLine(0,height,width,height)){
doColor();
b=-1;
}
}
public void run(){
while(true){
try{
Thread.sleep(2);
doTime();
repaint();
}
catch(InterruptedException ie){
ie.printStackTrace();
}
}
}
public static void main(String arsg[]){
GraphicsDevice gd=GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
DisplayMode dm=gd.getDisplayMode();
int width=dm.getWidth();
int height=dm.getHeight();
System.out.println("width="+width+"\nheight="+height);
ScreenTest st=new ScreenTest(width,height);
final JFrame jf=new JFrame();
jf.getContentPane().add(st,BorderLayout.CENTER);
jf.setUndecorated(true);
gd.setFullScreenWindow(jf);
new Thread(st).start();
jf.addKeyListener(new KeyAdapter(){
public void keyReleased(KeyEvent ke){
if(ke.getKeyCode()==KeyEvent.VK_NUMPAD0)
System.exit(0);
}
});
}
}
求一個(gè)簡單的java屏保小程序,要求代碼簡單,易理解,要獨(dú)創(chuàng)的,沒有的,或者直接從網(wǎng)上蕩的,直接別來!
protected void paint(Graphics g) {
// TODO Auto-generated method stub
g.setColor(255,0,0);
g.fillRect(0, 0, this.getWidth(), this.getHeight());
g.setColor(0,0, 255);
g.fillArc(x,y,d,d,0,360);
this.repaint();
}//畫一個(gè)圓當(dāng)做屏保圖案坐標(biāo)是x,y 大小是d
public void run() {
// TODO Auto-generated method stub
while(true){
if(x=0){
dir=ran.nextInt(8);
while(dir==0||dir==3||dir==5)
dir=ran.nextInt(8);
}else if(y=0){
dir=ran.nextInt(8);
while(dir==0||dir==1||dir==2)
dir=ran.nextInt(8);
}else if(x=w){
dir=ran.nextInt(8);
while(dir==2||dir==4||dir==7)
dir=ran.nextInt(8);
}else if(y=h){
dir=ran.nextInt(8);
while(dir==5||dir==6||dir==7)
dir=ran.nextInt(8);
}
switch(dir)
{
case 0: y-=5;x-=5; break;
case 1: y-=5; break;
case 2: y-=5;x+=5; break;
case 3: x-=5; break;
case 4: x+=5; break;
case 5: y+=5;x-=5; break;
case 6: y+=5; break;
case 7: y+=5;x+=5; break;
}
try {
Thread.currentThread().sleep(30);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
this.repaint();
}
//這個(gè)撞到墻壁小球就會(huì)隨機(jī)變換方向 達(dá)到屏保的效果
給你個(gè)思路啊 自己填完整了他
名稱欄目:java屏保代碼 java刷屏代碼
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